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Active Autowerke E9X M3 Signature Rear Exhaust Gen. 2


Active Autowerke E9X M3 Signature Rear Exhaust Gen. 2


SKU 11-015 Category

True performance, durability, and attractive weight advantages with innovative features places the Active Autowerke E9X BMW M3 exhaust in a class of its own. This system is constructed from 100% 304-stainless steel and features adjustable Active Autowerke double walled tips, making it ideal both for 2-door and 4-door models (also allows for cleaner fitment with diffusers).

This system uses factory style flanges making it a complete bolt on system that requires no cutting or welding. The system is a straight-through design providing substantial improvements to gas flow over the factory exhaust.

The sound is unobtrusive, with a rich mellow tone and delivers a solid 5+hp, with key gains in the mid-range. In addition, the Active Autowerke E9X M3 Signature Exhaust system features large 3″ piping for maximum exhaust flow while maintaining enough back-pressure to result in horsepower increases across the entire RPM range.

The factory E9X M3 muffler features a Noise Canceling Chamber inside the muffler and Active Autowerke has retained this feature by adding two custom Active Autowerke noise canceling chambers (NCC)on each muffler to reduce/minimize the drone (the ‘booming’ noise some muffler emit at cruising speeds, ~3500 rpm).

The Active Autowerke E9X M3 Signature Exhaust System provides increase in horsepower, great sound and appearance making it a must for the true M3 enthusiasts.


  • Large 3-inch mandrel bent piping for maximum flow
  • Durable, 100% 304 brushed stainless steel
  • Double-walled 76mm Signature stainless tips
  • Revolutionary NCC -Noise Cancelling Chamber
  • Adjustable Tips with Embossed Active Autowerke Logo
  • Improved power & torque throughout entire RPM band
  • Gains of 5+ HP over stock configuration; Additional HP with our programmed software
  • BMW factory style hardware makes a truly easy installation with no need for cutting or re-welding
  • Weighs 40 Lbs vs. the factory of 55.1 Lbs.
  • Fitment for Coupe, Convertible and Sedans
  • Complete illustrated instruction manual
  • Two year warranty
Weight 60 lbs
Dimensions 73 × 19 × 9 in

For Convertible – silver, Silver


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Make Model Year
Supra E9X
Supra M3
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